Session Library differences between CI3 and CI4?

Simply make difference between documentation and code base
The code base has been remade while the functionality and the usable part is kept as close as possible to the old system. (typical compatibility effort - as much as possible)

Just cuz you see the same/similar docs, examples and structure doesn't mean that the source is just copy > pasted..

If you want to compare and comment just Open the GIT of CI 3 and CI 4 on Sessions .. and see the difference

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